Answer:
the answer is molecule
A compound is a substance that consists of two or more elements in a unique composition. The smallest particle of a compound is called a molecule. Chemical bonds hold together the atoms of molecules. Compounds can form only in chemical reactions, and they can break down only in other chemical reactions.
Explanation:
Answer:
reactants of photosynthesis= carbon dioxide, water, and sunlight.
Products of cellular resperation= water and carbon dioxide and energy
Explanation:
